无功补偿对配电网络损耗的影响及应用

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随着供电量的增加,网络损耗问题日益突出,降低网损是增加供电量的重要手段。分析了现有网架的实际情况,设施老化、线路长、线径较小,配电变压器多数为高能耗变压器;探讨了降低网络损耗的几种方法,即通过改造配电网网架结构,提高电压等级,增加变电站,合理分配有功和无功,使用低能耗变压器,加大导线截面、缩短供电半径等,使配电网网络损耗大幅降低。结合实际运行情况,采用无功补偿能够很好的减少网损与提升电压,对配电变压器低压侧的补偿不仅能够减少线路的损耗,还能够减少配变的损耗,某些耗能较多的变压器由于损耗减少还能多使用一段时间,电压品质也会得到提升,提高了网络运行的经济指标。
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